It is mainly used for tiles antique looking, removing burrs and rust, rounding and polish-processing, After processing, not only there is no damage to the original shape or precision of dimensions of the processed parts, but also the precision of the roughness of the processed parts can be raised 1 to 2 grades, in addition, the microhardness on the parts’ surface can be increased, and the internal stress can be removed, thus enhancing the fatigue strength.